CVE-2018-0370 : What You Need to Know

A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to cause one of the detection engine processes to exhaust its memory, resulting in decreased traffic processing speed.

Understanding CVE-2018-0370

This CVE refers to a flaw in Cisco Firepower System Software that could be exploited by an unauthorized attacker to degrade the performance of the detection engine.

What is CVE-2018-0370?

The vulnerability arises from improper traffic handling when the SSL inspection policy is activated, leading to memory exhaustion in the detection engine.

The Impact of CVE-2018-0370

Unauthorized attackers could slow down traffic processing by exploiting this vulnerability.
Heightened resource consumption of the Snort detection engine may lead to performance deterioration and process restart.

Technical Details of CVE-2018-0370

This section provides more technical insights into the vulnerability.

Vulnerability Description

The flaw allows attackers to exhaust memory in the detection engine, impacting traffic processing speed.

Affected Systems and Versions

Product: Cisco Firepower unknown
Version: Cisco Firepower unknown

Exploitation Mechanism

Attackers need to send malicious traffic through a vulnerable device to exploit the flaw.

Mitigation and Prevention

Protecting systems from CVE-2018-0370 is crucial for maintaining security.

Immediate Steps to Take

Disable SSL inspection policy if not essential to operations.
Monitor network traffic for any suspicious activity.
Apply vendor-recommended patches and updates promptly.

Long-Term Security Practices

Regularly update and patch all software and systems.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Stay informed about security advisories from Cisco.
Apply patches provided by the vendor to address the vulnerability.